TY  - BOOK
AU  - Ayres, P.
TI  - The influence of volume rate, nozzle size and forward speed on the activity of three herbicides for the control of weeds in winter cereales
KW  - Cereales
KW  - Malas hierbas
KW  - Herbicidas
KW  - Control
N1  - Sobretiro de: Symp. on Spraying Systems. 1980 pp. 57-64
ER  -